Line #62 Main/ChickenWalker


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12	[[quoteright:350:[[VideoGame/DonkeyKongCountryReturns https://static.tvtropes.org/pmwiki/pub/images/stompybot.png]]]]
13	[[caption-width-right:350:Chicken motifs are not a requirement.]]
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19	->''"It's got chicken legs!"''
20	-->-- '''GIR''', ''WesternAnimation/InvaderZim'', "[[Recap/InvaderZimS1E30Megadoomer Megadoomer]]"
21
22	Most {{tank\|Goodness}}s have tracks, some tanks [[WalkingTank have legs]], while others have many, [[SpiderTank many legs]]. These tanks on the other hand, have ''chicken legs'', or as they're officially known as ''"reverse-joint"''[[note]]Erroneously, might we add. See below.[[/note]] or ''[[http://en.wikipedia.org/wiki/Digitigrade digitigrade]]'' legs.
23
24	Most of the time a Chicken Walker is a HumongousMecha or MiniMecha but occasionally backwards bending legs can be found on other objects, like [[Literature/BabaYaga buildings]]. While there may be some benefits to a leg shaped like this,[[note]]Again, see below.[[/note]] this design is usually chosen simply it because it looks less anthropomorphic than regular legs. This deliberate violation of one of the main tenets of character design -- the one that states that machines [[RidiculouslyHumanRobot must be humanlike]] to be relatable and aesthetically pleasing -- is a quick way to signal to the audience that the robot in question is sits firmly on the [[BoringButPractical Form Follows Function]] end of TheAestheticsOfTechnology. This is a particularly common design choice in military-themed RealRobotGenre series.
25
26	Note, however, that chickens don't actually have "backwards knees", because the apparent "knee" is actually their ankle and heel joint (and their "ankle" a knuckle), while their ''actual'' knee is much closer to the body (and practically invisible under their coat of feathers). Same goes for horses, and most quadrupeds' hind legs.
27
28	That said, there is some credit for choosing this leg design for large walking machines. As stated in the RealLife examples section, the digitigrade leg structure has millions of years of theropod evolution to back its claim of being a highly effective bipedal leg design. And that's not even mentioning that human legs, which don't follow the digitigrade pattern, are [[https://m.youtube.com/watch?v=5RX7Q4uczZw riddled]] [[https://m.youtube.com/watch?v=kd-FZptfGUE with problems]].
29
30	Subtrope of WalkingTank; see also SpiderTank.
31
32	Compare BellBottomLimbedBots for another popular form of robotic legs.
33
34	For other [[TankGoodness awesome tanks]] check out HoverTank, DrillTank, and the MilitaryMashupMachine.
35
36	----
37	!!Examples:
38	[[foldercontrol]]
39
40	[[folder:Advertising]]
41	* The ''Platform/VirtualBoy'' is depicted this way in [[https://www.youtube.com/watch?v=17euo2DzBZI this]] commercial.
42	[[/folder]]
43
44	[[folder:Anime and Manga]]
45	* ''Manga/TwentiethCenturyBoys'': [[spoiler:The robot designed by the engineer whose daughter the Friend cult kidnapped ended up this way, instead of the blatant ''[[Anime/{{Gigantor}} Tetsujin 28]]'' rip-off they originally wanted.]]
46	* ''Anime/AuraBattlerDunbine'' has [[http://www.mahq.net/mecha/dunbine/dunbine/botune.htm Botune.]] It seems that the purpose of using this trope is merely to give audiences the impression that it's a FragileSpeedster, since most of mech combat is aerial battle.
47	* ''Franchise/{{Gundam}}'': Although rare, a few MS have reverse-joint legs when transformed, notably the [[Anime/MobileSuitZetaGundam Gaza-C]], [[Anime/MobileSuitGundamZZ its]] [[Manga/GundamSentinel successors]] and [[Anime/MobileSuitGundamSeedDestiny Destroy Gundam]].
48	* ''Anime/{{Macross}}'': In ''Anime/SuperDimensionFortressMacross'', ''Anime/SuperDimensionCenturyOrguss'' and ''Anime/SuperDimensionCavalrySouthernCross'', the mech knees bend forward in full-humanoid battroid mode but backward in jet-with-legs GERWALK mode. Zentradi combat pods like Regult and Glaug also fit this trope, as do Earth mechs with Armo-Diver mode and the non-humanoid Invid mecha from ''Anime/GenesisClimberMospeada''. Most of the above also appear in ''{{Anime/Robotech}}'', of course.
49	* ''Anime/TengenToppaGurrenLagann'': Iraak's Gunmen, the Einzer, is pretty fast due to this unique (for the setting) design, gaining extra speed from its rear thruster.
50	%%* ''Anime/{{Xabungle}}'' has quite a few.
51	[[/folder]]
52
53	[[folder:Films -- Animation]]
54	* ''WesternAnimation/{{Nine}}'' has the self-piloted Steel Behemoths -- the Fabrication Machine's primary foot soldiers, who [[ApocalypseHow wiped out humanity]] with their chemical weapons in the film's backstory. None of them are active during the actual events of the movie, though, perhaps due to lack of maintenance -- they're only seen sitting dormant in hangars.
55	* The Storrian Military from ''WesternAnimation/{{Ark}}'' use tanks on two legs as default vehicles. They turned out to be AwesomeButImpractical as demonstrated in a chase scene -- one Storrian tank ends up tripping sideways and hitting its partner, destroying both at the same time.
56	[[/folder]]
57
58	[[folder:Films -- Live-Action]]
59	%%* ''Film/{{Chappie}}'' has the Moose, an homage to ED-209.
60	* ''Film/FrankensteinsArmy'': There's a Chicken Walker standing in a corner of Frankenstein's main lab, although it doesn't move and may have still been under construction.
61	* ''Film/RoboCop1987'' has ED-209 -- heavily armed, extremely intimidating, [[DeconstructedTrope but can't even walk down a flight of stairs or down a street]]. In ''Film/RoboCop2'', one gets stuck in a manhole.
62	* ''Franchise/StarWars'' has the [=AT-STs=] (the two-legged walking vehicles in ''Film/ReturnOfTheJedi'') and their various derivatives/precursors (such as the [=AT-RTs=] in the prequels). In fact, they are often called "Chicken Walkers" by fans, [[AscendedFanon and this is often referenced by game developers or showrunners.]] For example, in the original ''VideoGame/RogueSquadron'', the code "CHICKEN" even unlocks a mission where you play as an AT-ST. It's interesting to note that AT-ST legs actually behave more like a real chicken's legs, with the proper, forward-bending knee joint up high near the hip and the backward-bending "knee" down lower.
63	[[/folder]]
64
65	[[folder:Literature]]
66	* In ''Literature/{{Leviathan}}'', Deryn notes that the Stormwalker moves like "a great iron rooster".
67	* ''Literature/TheThemisFiles'': [[spoiler:The aliens have digitigrade legs, and correspondingly, the controls used to operate their mechs require digitigrade legs. Vincent Couture, would-be pilot for the legs bit, undergoes some... [[BodyHorror intense]] surgery in order to match the alien anatomy.]]
68	[[/folder]]
69
70	[[folder:Live-Action TV]]
71	%%* Tweedledee and Tweedledum from ''Series/{{Andromeda}}''.
72	%%* From ''Series/KamenRider555'', the [[https://kamenrider.fandom.com/wiki/File:Attack_Ride_Side_Basshar.jpg Side Basher in Battle Mode.]]
73	* ''Series/FallingSkies'': The "meks" of the aliens walk this way, but are weirdly designed. Several characters discuss the possibility that the meks were specifically designed to intimidate humans, as the aliens themselves are six-legged. On the other hand, it could be a purely technical decision. It's not practical to build a large robot with more than 2 legs (4 max).
74	* The Blue Midget from ''Series/RedDwarf'' was {{retcon}}ned into being an "upgraded" version of ''Red Dwarf'' so they could do a dance number, originally being a tank-like vehicle.
75	[[/folder]]
76
77	[[folder:Mythology and Folklore]]
78	* In Myth/{{Russian mythology\|AndTales}}, Literature/BabaYaga's house moves around on actual giant chicken legs. This depiction originates from an ancient Slavic custom to put coffins (which is what Baba Yaga's house is supposed to be or at least symbolize) on four tree stumps, which do look a bit like chicken legs, due to the sprawling roots.
79	[[/folder]]
80
81	[[folder:Tabletop Games]]
82	* ''TabletopGame/BattleTech'': Roughly half the bipedal [=BattleMechs=] are like this, including fan favorites like the Timber Wolf (''the'' signature 'Mech of the franchise and the image used on its Tropes page), Mad Dog, Bushwhacker, and Marauder, the rest using standard humanoid leg structure. [[AllThereInTheManual Acknowledged by supplemental material]] by noting that chicken-walkers may traverse rougher terrain but are typically less speedy than man-walkers. However, despite being a game system known for having optional rules for practically everything, [[GameplayAndStorySegregation there are no rules for having chicken legs instead of humanoid legs]].
83	* ''TabletopGame/Warhammer40000'' has a number of mecha that follow this design:
84	** For the Imperium, it's the Sentinels of the Astra Militarum, the Warhound Titans of the Adeptus Mechanicus' Titan Legions, the Ironstrider Ballistarius and the Sydonian Dragoon of the [=AdMech=]'s Skitarii Legions. Other walkers like the Imperial Knights (and their various patterns) and the larger Titans (Warhounds are scouts) are more humanoid, if hunched over depending on specific pattern or variant. More recently added, the Armiger pattern Knights (the smallest and their pilots are squires to pilots of larger patterns of Knight) also have the chicken design.
85	** For the Eldar, it's the Warwalker. Almost all of their other mechs are fully humanoid in design, basically [[HauntedTechnology ghost robots]].
86	** The Tau's battlesuits are closer in appearance to ''actual'' chicken legs than most examples of this trope, with forward bending knees, high ankles, and several widely spaced, broad toes, mimicing the Tau's actual hooved feet.
87	[[/folder]]
88
89	[[folder:Video Games]]
90	* The second stage of ''VideoGame/AlligatorHunt'' has your character [[https://img.recreativas.org/201803/g/alligator-hunt-unprotected-set-1-g4749.png fighting]] giant, chicken-legged, alien mechs attacking a city. Their bodies are spherical, though, and you'll need to aim for their heads and blow them up to make them collapse.
91	* ''VideoGame/{{Apocalypse}}'': The war factory stage is staffed entirely by two-legged robots resembling the ED-209, serving as the sole MechaMook variety in the game.
92	* You can find many of these in ''VideoGame/ArmoredCore'' series. Befitting of a bird-inspired design, they're better in the air.
93	* ''VideoGame/AtomicRoboKid'' has huge, bulky, two-legged robotic enemies modeled after the typical chicken walker design (called "R6" in the credits) as occasional GiantMook enemies.
94	%%* You pilot one of these in ''VideoGame/BattleCorps'', called a B.A.M or "[[FunWithAcronyms Bipedal Attack Machine]]".
95	%%* All of the battlewalkers from ''VideoGame/Battlefield2142''.
96	* In both ''VideoGame/Battlezone1998'' and its sequel, all combat HumongousMecha utilize chicken walker designs. The NSDF "Sasquatch" of ''1998'' uses a "man-walker" design with a torso and arms with chicken legs, while the CCA "Golem" has chicken legs bolted directly to the sides of the body with no arms. In ''Battlezone II'', the ISDF "Attila" uses a bizarre layout where the chicken legs are connected to a pelvis which supports the torso ''under it'', riding between the legs, while the Scion "Mauler" has a pair of chicken claws that pull the rest of its stabilizing legs along the ground.
97	%%* ''VideoGame/{{Bioforge}}'': The moonbase security bots.
98	* ''VideoGame/{{Brigador}}'''s mechs trend toward this, but taking the cake are the Spacer factions' mechs, who ''love'' placing as much hi-tech heavy weaponry as they can on their mechs, and using even higher-tech alloys, servos, and engineering to make the skinny legs that carry them work.
99	* In ''VideoGame/ChromeHounds'', you can build your very own, officially known as reverse-joint chassis. The leg form gives enhanced recoil consumption, making them good for light artillery and sniper mechs.
100	* ''VideoGame/CommandAndConquer'':
101	** In ''VideoGame/CommandAndConquerTiberianSun'', the GDI trades its tanks for the Titan, a chicken walker with 120mm cannon. The ''Firestorm'' expansion adds the Juggernaut, an artillery variant with triple the firepower[[note]]Literally, the Juggernaut is a battleship turret with three barrels on legs[[/note]] that needs to be deployed to fire.
102	** They return to the use of tanks in ''VideoGame/CommandAndConquerTiberiumWars'', but they do keep the Juggernauts as mobile artillery. In the Kane's Wrath expansion, the Steel Talons are a GDI subfaction, that brings back the Titans and even introduces a variant of the Juggernaut. To drive the point home even more, Juggernauts in ''CNC 3'' occasionally comically peck ''just like chickens''!
103	** ''VideoGame/CommandAndConquerRedAlert3'' generously donates the Empire of the Rising Sun's Striker-VX, an anti-air missile platform that can [[TransformingMecha transform into an anti-ground missile helicopter]].
104	* ''VideoGame/{{Crusader}}'': Other than the Cametron, all the anti-personnel mechs have reverse-jointed legs.
105	* You spend the entirety of ''VideoGame/TheDivideEnemiesWithin'' piloting a two-legged chicken-walker-esque mech exploring an alien planet infested with hostile creatures.
106	* The hostile alien invaders in ''VideoGame/{{Teraburst}}'' deploys walkers with two chicken-like legs against you, a recurring enemy in outdoor stages. They even have underwater versions in the Louisiana stage, a red version that spams missiles, and a KingMook walker as the second boss who can run ''faster than you can drive''.
107	* A ''literal'' one in ''VideoGame/DonkeyKongCountryReturns'', which serves as the boss of World 7 -- and yes, it's piloted by a chicken.
108	%%* Some demons from the ''VideoGame/{{Doom}}'' series, such as the Hell Knights, Barons of Hell and especially the Cyberdemon, are built like this.
109	%%* One of the bosses in ''VideoGame/EarthwormJim'' is this, complete with a chicken head.
110	* ''[[http://www.generation-msx.nl/software/bothtec/eggy/388/ Eggy]]'', an old Japanese computer game, stars a mecha named Ena that walks like this, though it can hover too.
111	* The Star, Panzerstar and Sturmvogel enemies/boss from ''VideoGame/{{Einhander}}''. Interestingly enough, their names mean "Starling", "Armored Starling" and "Thunderbird" in German, quite meaningful when compared to their bird-like legs.
112	%%* ''VideoGame/EmpireEarth'': A few of the cybers available from the Digital Age onwards have this type of design, namely the Minotaur and Zeus units, but the designs are generally broad. The pattern is repeated in the sequel.
113	%%* The 2023 April Fools event [[https://enlisted.net/en/news/show/490-titan-rise-open-test/#!/ "Titans Rise"]] for ''VideoGame/{{Enlisted}}'' introduced WWII-style {{walking tank}}s of this type. The USSR get [=ShT=]-34V "Victor", the Germany has the Pz.Tr. X, and lastly the USA gets the WT-25 "Predator".
114	%%* In one level of ''VideoGame/{{Futurama}}: The Game'', you get to ride in a ''literal'' Chicken Rider.
115	%%* Basically the whole idea of ''VideoGame/FutureCopLAPD''. Well, that and {{Flying Car}}s.
116	* ''VideoGame/GeneticSpecies'' has the Wolfhead, gigantic bipedal robots on two legs as the largest and strongest mechanical enemy in the game.
117	* One type of enemy variant in ''VideoGame/{{Ghostrunner}}'' is a stationary turret with largely decorative chicken-legs. They can launch massive horizontal blasts at the Ghostrunner with unparalleled accuracy.
118	* The Raptor from the second ''VideoGame/GPolice'' game. It has the ability to jump and glide (compared to most of the vehicles being planes, with one example of an armoured car).
119	* ''Franchise/{{Halo}}'':
120	** The Mantis is a bipedal mech used by the UNSC, first appearing in ''VideoGame/Halo4''. Its much larger cousin, the Colossus from ''VideoGame/HaloWars2'', also has digitigrade legs, though this may be not particularly noticable at first glance due to how straight it stands.
121	** The Reaver from ''VideoGame/HaloWars2'' is a bipedal anti-aircraft walker used by the Banished. It even has an appearance reminiscent of a theropod dinosaur.
122	%%* All of the "light" mechs of ''VideoGame/{{Hawken}}'' use this configuration.
123	%%* The Arundel from ''VideoGame/{{Ironcast}}'' features this particular leg design.
124	* The bipedal geth units from ''Franchise/MassEffect'' have digitigrade legs, based on the physiology of the quarians who created them.
125	* ''VideoGame/MeatBoy'': The first boss from ''Super Meat Boy'', Lil' Slugger, is one armed with saws and a chainsaw.
126	* ''VideoGame/MechWarrior'', being based off ''TabletopGame/BattleTech'', gets in on this as well with quite a few reverse-joint 'Mechs. The games give some of them a marked hopping-bobbing gait, which can be a bit tough on targeting at times. Chicken walkers in the games typically move faster, but aren't as good at scaling hills or mountains as man-walkers -- ''[=MechWarrior=] Living Legends'' features the Thanatos, a mech with anatomically-correct [[http://i.imgur.com/dFd7fRx.jpg chicken-legs]], which is ''very'' [[LightningBruiser fast for its weight]], but has trouble scaling >30% grade hills.
127	** The SpinOff series ''VideoGame/MechAssault'' contains these mechs as a majority of their roster, such as the Cougar (JackOfAllStats with a Jump Jet, two Pulse Lasers, one Auto Cannon, and two Javelin Missiles), the Catapult (support-oriented MightyGlacier with [[BeamSpam four Pulse Lasers]], [[MacrossMissileMassacre four Javelin Missiles]], and the longest lasting Jump Jets in both games), the iconic Madcat (offensive-oriented MightyGlacier with [[ChargedAttack two PPC]]'s, four Javelin Missiles, and [[MoreDakka two Machine Guns]]), and much more.
128	* ''VideoGame/MetalGear'': All of the bipedal WalkingTank-type Metal Gear models (Metal Gears from non-canon spin-offs notwithstanding) follow this design, as does the bipedal mode of [[VideoGame/MetalGearSolidPeaceWalker the Peace Walker AI Weapon]], though the TX-55 Metal Gear and its two derivatives, Metal Gear D and the undeveloped Metal Gear Gustav, do away with the forward-facing knees in favor of backwards-facing ones. The birdlike look is actually lampshaded in the manual, which claims that the small, unmanned [[DummiedOut Metal Gear Gustavs]] are nicknamed "Ostriches" by troops because of the way they walk.
129	%%* The Mech from ''Metal Mech: Man & Machine''.
130	%%* The Flapper species in ''VideoGame/{{MULE}}''. No surprise, since they are human-sized birds.
131	* ''VideoGame/RenderingRangerR2'' has an alien walker machine as one of the bosses -- the only way to damage it is by shooting upwards at its head. Oddly enough, unlike some other examples, this particular walker ''won't'' try stomping you under its feet, allowing you to walk directly beneath it.
132	* Light [=AFWs=] from ''VideoGame/RingOfRed''. One model even ''looks'' like a mechanical chicken, with a machine gun for a face.
133	%%* ''VideoGame/RoboCop'' brings back the [=ED-209=] units from [[Film/RoboCop1987 the film]] as recurring GiantMook enemies larger than the titular hero.
134	* ''VideoGame/RogueSquadron'': The original has a secret bonus level where you control an AT-ST, one of the gangly-legged walkers from ''Film/ReturnOfTheJedi''. The only way to access this level was to input "CHICKEN" in the cheat menu.
135	* Biomechanoids from the ''VideoGame/SeriousSam'' series are like this. Coincidentally, the biological parts of these walkers are bird tissues. There is a Chicken Walker enemy in ''VideoGame/SeriousSamII'' too, called Torso Mech - The Nervous Chicken.
136	* ''VideoGame/ShadowComplex'' has the [=WSA1=] Walker, a towering bipedal mech with reverse-jointed legs.
137	* ''Franchise/SonicTheHedgehog'':
138	** ''VideoGame/SonicTheHedgehogChaos'': The final boss, the Laser Walker, is such a device during its first phase. In the Japanese release, it's even called the "Killer Turkey".
139	** ''VideoGame/SonicTheHedgehogCD'': The first boss from PalmtreePanic is this, with spiked feet.
140	** ''VideoGame/SonicAdventure2'' has both of the MiniMecha piloted by Tails and Eggman.
141	%%* The Goliath unit in ''VideoGame/StarCraftI'', as well as its replacement, the Viking (walker mode), in ''VideoGame/StarCraftII''.
142	* In ''VideoGame/StarFoxZero'', the Arwing SpaceFighter can [[TransformingMecha transform]] into a chicken walker known as the "walker". It's used to get into tight spaces and narrow corridors you normally couldn't fly through. Fittingly it even [[http://vignette3.wikia.nocookie.net/starfox/images/3/31/SFZ-012.jpg/revision/latest?cb=20150622200816 resembles a chicken]] with short wings on the side, a tail like fuselage, and bird feet.
143	* ''VideoGame/TopHunterRoddyAndCathy'' allows you to hijack bipedal, two-legged tanks from enemies and use them to kick ass. Enemies getting trampled by your mech gets SquashedFlat and floats away comically.
144	* ''VideoGame/{{Walker}}'': The AG-9 Walker has very bird-like "feet", and its head resembles a bird skull.
145	* The Corpus from ''VideoGame/{{Warframe}}'' produces and uses numerous forms of [=MOAs=], turret robots walking on a pair of digitigrade legs.
146	* In ''VideoGame/WarGamesDefcon1'', walkers are the default attack units for W.O.P.R, armed with dual turrets for causing heavy damages. The game starts with the smaller MK-II Walkers, and later on introduces a far deadlier MK-IV Walker unit who can [[MacrossMissileMassacre spam tons of missiles on targets]].
147	* ''VideoGame/WorldOfWarcraft'': The gnomes have [[HorseOfADifferentColor as their racial ground mount]] the Mechanostrider, a [[NinjaPirateRobotZombie chicken-legged mecha resembling an ostrich or emu]].
148	* It's subtle since they lack digits, but the legs of both [[{{Cyborg}} MEC Troopers]] in ''[[VideoGame/XCOMEnemyUnknown XCOM: Enemy Within]]'' and [[RobotBuddy SPARKs]] in ''VideoGame/XCOM2: Shen's Last Gift'' have this anatomy.
149	[[/folder]]
150
151	[[folder:Webcomics]]
152	%%* A common Clank design in ''Webcomic/GirlGenius''. [[http://www.girlgeniusonline.com/comic.php?date=20040407 For example, Gil's Fencing Clank.]]
153	* ''Webcomic/ProblemSleuth'''s candy mecha is a sentient example. In fact, even after the head is detached so that it can fly off to fight the villain, the legs are still used for various purposes.
154	[[/folder]]
155
156	[[folder:Western Animation]]
157	%%* ''WesternAnimation/{{Chaotic}}'' features the Vile Driver card in some episodes.
158	* ''WesternAnimation/InvaderZim'': Thanks to a DefiantCaptive shipping, Zim receives a [[DoomyDoomsOfDoom MegaDoomer]] stealth mech from his superiors. [[{{Cloudcuckoolander}} Gir]] provides the page quote upon first seeing the mech, to Zim's irritation.
159	-->'''Zim:''' ''[growling]'' Yes. ''Chicken legs''.
160	%%* In ''WesternAnimation/JimmyTwoShoes'', this is one of [[MadScientist Heloise]]'s many machines.
161	* ''WesternAnimation/KimPossible'' has giant robotic flamingos.
162	[[/folder]]
163
164	[[folder:Real Life]]
165	* Large [[http://en.wikipedia.org/wiki/Theropoda Theropods]] could be considered biological versions of this. So can small bipedal rodents such as jerboas, although they hop more often than they walk.
166	%%* [[https://edition.cnn.com/videos/business/2019/05/22/ford-autonomous-delivery-robot-orig.cnn-business A new delivery robot]] walks like this.
167	* Boston Dynamics's Big Dog robot is structured like this, with digitigrade design.
168	[[/folder]]

Context Main / ChickenWalker